Top sealing device of lifting hook type shot blasting machine

The utility model discloses a top sealing device of a lifting hook type shot blasting machine. The device comprises a receiving box, a connecting cover and a sealing cover, two groups of material receiving boxes are arranged; the two groups of material receiving boxes are fixedly connected to the two sides of the shot blasting machine chamber body respectively; a movable door is hinged to one endof the shot blasting machine chamber body; the top end of the shot blasting machine chamber body is fixedly connected with a top plate; a groove is formed in the top plate; the top plate is of a rectangular plate-shaped structure. Supports are fixedly connected to the four corners of the upper end face of the top plate correspondingly. The top plate is fixedly connected with the guide rail frame through a support, the two sets of material collecting boxes are fixedly connected with two sets of connecting covers, the two sets of connecting covers are fixedly installed on the upper end face of the top plate and opposite